| Nidderau to Oswego (Illinois) | 4,365.58 mi (7,025.72 km) |
| Nidderau to Oswego (New York) | 3,836.68 mi (6,174.54 km) |
| Nidderau to Otsego (Minnesota) | 4,376.75 mi (7,043.70 km) |
| Nidderau to Ottawa (Illinois) | 4,399.49 mi (7,080.29 km) |
| Nidderau to Ottawa (Kansas) | 4,771.63 mi (7,679.20 km) |
| Nidderau to Ottumwa (Iowa) | 4,546.37 mi (7,316.68 km) |
| Nidderau to Overland (Missouri) | 4,588.03 mi (7,383.72 km) |
| Nidderau to Overland Park (Kansas) | 4,736.13 mi (7,622.06 km) |
| Nidderau to Overlea (Maryland) | 4,020.40 mi (6,470.21 km) |
| Nidderau to Oviedo (Florida) | 4,727.08 mi (7,607.49 km) |
| Nidderau to Owasso (Oklahoma) | 4,912.32 mi (7,905.61 km) |
| Nidderau to Owatonna (Minnesota) | 4,421.64 mi (7,115.94 km) |
| Nidderau to Owensboro (Kentucky) | 4,512.16 mi (7,261.62 km) |
| Nidderau to Owings Mills (Maryland) | 4,029.20 mi (6,484.37 km) |
| Nidderau to Owosso (Michigan) | 4,149.22 mi (6,677.52 km) |
